How to Use “echo” Command in Linux [7 Practical Examples] | LinuxSimply

Uncover the versatility of the "echo" command in Linux with our comprehensive guide featuring "7 Practical Examples." Whether you're a novice or an experienced user, this tutorial will enhance your understanding of the "echo" command and its various applications.

The 'echo' command in Linux is used to display text or variables on the terminal. It simply outputs the provided text or variables to the standard output. Additionally, 'echo' can be used in shell scripts to display messages, manipulate strings, or generate dynamic content.

💡 Key Topics Covered:
1. Learn about the fundamentals of the "echo" command and its syntax and options.
2. Discover how to use the "echo" command to display text, commands and variables with value dynamically within the command line.
3. Understand the nuances of using double and single quotations with the "echo" command to display text effectively.
4. Learn how to create files and populate them with text using the "echo" command.
5. Discover how to append text to the end of a file using the "echo" command.
6. Explore advanced techniques for customizing and formatting text output using the "echo" command.

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Content Index
0:00 Introduction
0:28 What is the ‘echo’ Command?
1:13 Example 1: Display Text in the Command Line
1:41 Example 2: Displaying Commands in the Command Line
2:43 Example 3: View Variables in the Command Line
4:00 Example 4: Use of Double and Single Quotations in the “echo” Command
5:38 Example 5: Create a File with Text Inside
6:39 Example 6: Adding a Line at the End of a File
7:36 Example 7: Customize/Formatting Text

Instructor Details
Sharmin Ara Karim

Editor Details
Reshma Raj

Article Link
The “echo” Command in Linux [7 Practical Examples]

Used Commands
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1. What is the ‘echo’ Command?
a. man echo

2. Example 1: Display Text in the Command Line
a. echo LinuxSimply All About Linux

3. Example 2: Displaying Commands in the Command Line
a. cd Desktop/
b. echo The Files Inside the Desktop Are: $(ls)

4. Example 3: View Variables in the Command Line
a. echo The User of the System: $USER
b. x=10
c. echo The value of x is: $x

5. Example 4: Use of Double and Single Quotations in the “echo” Command
a. echo “The Date in the User $USER is: $(date)”
Or, echo The Date in the User $USER is: $(date)
b. echo 'The Date in the User $USER is: $(date)'

6. Example 5: Create a File with Text Inside
a. echo This is LinuxSimply, All About Linux (forward angled bracket) LS.txt
b. cat LS.txt

7. Example 6: Adding a Line at the End of a File
a. cat LS.txt
b. echo Welcome, Everyone.(double forward angled bracket)LS.txt
c. cat LS.txt

8. Example 7: Customize/Formatting Text
echo -e "Welcome, \tEveryone.\nThis is \v LinuxSimply"
Or,
echo -e 'Welcome, \tEveryone.\nThis is \v LinuxSimply
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